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| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2019-02-27 09:10:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-04-19 13:42:09 +0200 |
| commit | 1a010e29cfa00fee2888fd2fd4983f848cbafb58 (patch) | |
| tree | fe7a600c464f655492c109f38f6e427e0a08327b /samples | |
| parent | sched/core: Fix typo in comment (diff) | |
| download | linux-1a010e29cfa00fee2888fd2fd4983f848cbafb58.tar.xz linux-1a010e29cfa00fee2888fd2fd4983f848cbafb58.zip | |
sched/rt: Check integer overflow at usec to nsec conversion
Example of unhandled overflows:
# echo 18446744073709651 > cpu.rt_runtime_us
# cat cpu.rt_runtime_us
99
# echo 18446744073709900 > cpu.rt_period_us
# cat cpu.rt_period_us
348
After this patch they will fail with -EINVAL.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/155125501739.293431.5252197504404771496.stgit@buzz
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'samples')
0 files changed, 0 insertions, 0 deletions